- Glenohumeral Joint Anatomy, Stabilizer, and Biomechanics, Traumatic Anterior Shoulder Instability (TUBS), Posterior Shoulder Instability & Dislocation, Multidirectional Shoulder Instability (MDI), Luxatio Erecta (Inferior Glenohumeral Joint Dislocation), Glenohumeral Internal Rotation Deficit (GIRD), Brachial Neuritis (Parsonage-Turner Syndrome), Valgus Extension Overload (Pitcher's Elbow), Lateral Ulnar Collateral Ligament Injury (PLRI). carefully selected by experts with a modern data-driven approach. SGHL and subscapularis thought to play role in stabilizing long head of biceps, ° of retroversion in relation to the axis of the scapular body. 130 Review Topics & 1,353 Practice Questions. What structure provides dynamic glenohumeral stability by compressing the humeral head against the glenoid? A 67-year-old female who sustained a proximal humerus fracture as a result of a fall goes on to develop avascular necrosis (AVN). Posted on 4-Feb-2020. Anatomy of shoulder joint 1. The different types of connective tissues in the shoulder are bone, articular cartilage, ligaments, joint capsules, and bursa (see Gross Anatomy). + shoulder anatomy 09 Mar 2021 Osteoarthritis is the most commonly diagnosed type of joint arthritis disease, which can affect hands, knees and hips. ORTHO BULLETS Orthopaedic Surgeons & Providers You will be directed to all content with our daily emails that tell you what topics and articles to read, and what exams to do on which date. Complete all 100 timed/scored/recorded questions from Shoulder & Elbow A (earns 10 ABOS Approved SAE Credits); 2. All recommendations involving clinical medicine must be based on evidence accepted within the medical profession. Glenohumeral Joint Anatomy, Stabilizer, and Biomechanics, Ligamentous Restraints in different Arm Positions, at 0° degrees of abduction (neutral rotation), prevents anteroinferior translation of long head of biceps (biceps pulley), posterior subluxation at 90° flexion and IR, Buford complex (absent anterosuperior labrum + cordlike MGHL), contracture of the rotator interval is seen with adhesive capsulitis (frozen shoulder). The GH, AC and SC joints link the upper extremity to the axial skeleton at the thorax. Besides the biceps tendon, which of the following structures also pass through the rotator interval? The MRI scan findings shown in Figures 27a and 27b are most consistent with therefore if someone has an internal rotation contracture they can not abduct > 120, 180° of abduction comes from motion in two joints (2:1 ratio), the primary biomechanical role of the rotator cuff is stabilizing the glenohumeral joint by compressing the humeral head against the glenoid, forms weak link that predisposes to Bankart lesions, most important static stabilizer about the joint, 100% increased strain on superior band of IGHL in presence of a SLAP lesion. long head of biceps acts as humeral head depressor. Shoulder Arthroscopy: Basic Principles of Positioning, Anesthesia, and Portal Anatomy Abstract Advances in modern arthroscopy have contributed significantly to greater flexibility and efficacy in addressing shoulder pathology. The shoulder is the site of multiple injuries and inflammatory conditions that lend themselves to diagnostic and therapeutic injection. MB BULLETS Step 2 & 3 For 3rd and 4th Year Med Students. Over 200,000 physicians learn and collaborate together in our online community. (OBQ12.154) An injury was most likely sustained to which of the following arteries labeled 1-5 in Figure A? Lateral epicondylitis tennis elbow medial epicondylitis golfers elbow flexor pronator strain arthritic and degenerative conditions osteochondritis dissecans of elbow. Orthobullets and the Foundation for Orthopaedic Research & Education (FORE) are pleased to partner and offer CME for the MOC Daily Study Plans. --- Send in a voice message: https://anchor.fm/o... – Listen to Shoulder & Elbow⎪Glenohumeral Joint Anatomy, Stabilizer, and Biomechanics by The Orthobullets Podcast instantly on your tablet, phone or browser - no downloads needed. AHI may be normal on Xray but decreased on MRI when pt is supine and weight of arm is removed. You can confirm if your purchase was registered on Orthobullets by clicking. New to Orthobullets? A cord-like middle glenohumeral ligament is often, cordlike middle glenohumeral ligament with attachment to base of biceps anchor and complete absence of the anterosuperior labrum. Email us at [email protected]. abduction requires external rotation to clear the greater tuberosity from impinging on the acromion. It's an umbrella term to describe the inflammatory and rheumatic ... shoulder anatomy eyes – inflammation of the eyes can lead to … 0.5-3% of vaginal deliveries. includes the capsule, SGHL, coracohumeral ligament and long head biceps tendon that bridge the gap between the supraspinatus and the subscapularis. Copyright © 2021 Lineage Medical, Inc. All rights reserved. 130 Primary and Secondary Shoulder and Elbow orthopaedics topics will be reviewed covering on average 1 topic per day. 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